body {
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.bigbox {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 50%;
  height: 50%;
  background-color: #fff;
}
.bigbox input {
  margin-bottom: 20px;
}
.btnStyle {
  margin-top: 20px;
  display: flex;
}
